"How'd that get there?"

How embarrassing. It's like getting caught wearing dirty undergarments when a gust blows up your skirt.

"Now, forgive me, I'm still gettin' accustomed to all this newfangled talk, but 'bacteria' means somethin' like parasites, right? Nasty li'l critters that could make me sick? I reckon I best get rid of them, if I can."

She don't understand a lot of doctor-talk, which is probably going to make her his favorite patient on future visits. He can understand 'critter' and 'ill humor' and 'bad blood' as symptoms, right?